Fault Codes/Gillette Generators, Inc./53Gillette Generators, Inc.53UnclassifiedFuelWhat This Code MeansFuel leakageRelated Gillette Generators, Inc. Fault Codes585254555657Browse all Gillette Generators, Inc. fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for 53 on your specific Gillette Generators, Inc. unit — cited to the OEM manual, not a forum guess.TRY IT FREE